X+(3X-8)=90

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Solution for X+(3X-8)=90 equation:


Simplifying
X + (3X + -8) = 90

Reorder the terms:
X + (-8 + 3X) = 90

Remove parenthesis around (-8 + 3X)
X + -8 + 3X = 90

Reorder the terms:
-8 + X + 3X = 90

Combine like terms: X + 3X = 4X
-8 + 4X = 90

Solving
-8 + 4X = 90

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + 4X = 90 + 8

Combine like terms: -8 + 8 = 0
0 + 4X = 90 + 8
4X = 90 + 8

Combine like terms: 90 + 8 = 98
4X = 98

Divide each side by '4'.
X = 24.5

Simplifying
X = 24.5

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